| 引用本文: | 胡锡恒.Pade形方法“稳定降阶”的分析与探讨[J].控制理论与应用,1987,4(2):83~85.[点击复制] |
| Hu Xiheng.AN INVESTIGATION ON THE PROBLEM ABOUT STABILITY OF PADE-TYPE APPROXIMATION[J].Control Theory and Technology,1987,4(2):83~85.[点击复制] |
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| Pade形方法“稳定降阶”的分析与探讨 |
| AN INVESTIGATION ON THE PROBLEM ABOUT STABILITY OF PADE-TYPE APPROXIMATION |
| 摘要点击 869 全文点击 448 投稿时间：1985-04-17 修订日期：1986-01-20 |
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| DOI编号 |
| 1987,4(2):83-85 |
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| 中文摘要 |
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| 英文摘要 |
| n this paper a qualitative analysis was given to reveal the connection between the two drawbacks of the Pade-type Approximation methods. It was explained why and when the problem of the possibility of absolute instability will occur. The new idea of improving those methods was proposed, viz. in general it is necessary to represent the characteristic of the original system in the dominant middle-frequency more faithfully, instead of a mistaken effort to guarantee the absolute stability of model at the cost of a serious loss in similitude. Two typical examples were shown to verify the above analysis. |
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